FITS to JXL Converter

Easily convert your FITS files to JXL format in the Image category with ConvertOnline's efficient tool.

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What is FITS ?

FITS, or Flexible Image Transport System, is a digital file format widely used in astronomy for storing, transmitting, and processing scientific data, particularly images and tables. It is designed to accommodate various data types and structures, making it a versatile choice for researchers in the field.

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What is JXL ?

JPEG XL is a modern image file format designed for high efficiency and versatility. It offers superior compression compared to traditional formats, making it suitable for both web and archival use.

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How to Convert FITS to JXL in Just a Few Steps

  1. Upload your FITS file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose JXL as the output format
    The tool will automatically convert your file to JXL.
  3. Start the conversion
    Click the "Convert" button and let our tool handle everything. The conversion only takes a few seconds.
  4. Download your converted file
    Once complete, download your new JXL file instantly.

Start converting FITS to JXL now — it’s fast, safe, and completely online!